package com.medvalley.tcm.dao;

import com.medvalley.tcm.domain.WhiteSN;
import org.springframework.data.repository.CrudRepository;

/**
 * @author linsong
 * @date 2019/3/29 17:07
 **/

public interface WhiteSNDao extends CrudRepository<WhiteSN, Long> {

    WhiteSN findOneBySn(String sn);

}
